Engine Coolant
The cooling system in the vehicle for all engines and the intercooler is filled with DEX-COOL®. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first.
The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating.
See also:
Language — English/Metric
To change the language of the navigation screens or to change the navigation
screens from English or metric, see Driver Information Center (DIC)
for more information. ...
SUSPENSION MODE TOUR
(CTS-V ONLY)
This message will be displayed
when touring mode is selected
using the Magnetic Ride Control
button in the center of the
instrument panel. See Magnetic
Ride Control for more
information. ...
Under the Hood
A 4.6-liter Northstar V-8 with variable valve timing produces 320 horsepower
at 6,400 rpm and 310 pounds-feet of torque at 4,400 rpm. Premium fuel is
recommended. The five-speed-automatic transmis ...